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Finding the Fourth Proportional to 100,337.68, 150,506.78 and 25,457.71

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Solution

The fourth proportional to 100,337.68, 150,506.78 and 25,457.71 is: 38,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,337.68 : 150,506.78 = 25,457.71 : x
  2. Step 2: Convert to fraction form
    100,337.68/150,506.78 = 25,457.71/x
  3. Step 3: Cross multiply
    100,337.68x = 150,506.78 × 25,457.71
  4. Step 4: Simplify right side
    100,337.68x = 3,831,557,155.67
  5. Step 5: Solve for x
    x = 3,831,557,155.67/100,337.68
  6. Step 6: Final answer
    x = 38,186.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.